Driving tipsAutomati ctransmissio n................ .161
Brakes ...........................................1 75
Break-in period .............................. 146
Checking brake lining thickness .... 176
DISTRONIC PLUS ........................... 186
Downhill gradient ........................... 175
Drinking and driving ....................... 173
Driving in winter .............................1 77
Driving on flooded roads ................ 177
Driving on wet roads ......................1 77
Exhaust check ............................... 173
Fuel ................................................ 173
General .......................................... 172
Hydroplaning ................................. 177
Icy road surfaces ........................... 177
Limited braking efficiency on sal-
ted roads ....................................... 175
Snow chains .................................. 331
The first 1000 miles (1500 km) ..... 146
Wet road surface ........................... 175
DVD video
Operating (on-board computer) ..... 217
DYNAMIC SELECT button
Climate control (3-zone automatic
climate control) .............................1 35
Climate control (air-conditioning
system) .......................................... 132
DYNAMIC SELECT button (all vehi-
cles except Mercedes-AMG vehi-
cles) .................................................... 155
DYNAMIC SELECT controller
(Mercedes-AMG vehicles) ................. 156
E
EBD (electronic brake force distri-
bution)
Display message ............................ 230
Function/notes ................................ 72
ECO display
Function/notes .............................1 74
On-board computer ....................... 214
ECO start/stop function
Automatic engine start .................. 152
Automatic engine switch-off .......... 152
Deactivating/activating ................. 153
General information ....................... 152 Important safety notes .................. 151
Introduction ................................... 151
Electronic Stability Program
see ESP
®(Electronic Stability Program)
Emergency
Automatic measures after an acci-
dent ................................................. 58
Emergency release
Driver's door ....................................8 5
Trunk ............................................... 87
Vehicle ............................................. 85
Emergency Tensioning Devices
Activation ......................................... 56
Emissions control
Service and warranty information ....2 2
Engine
Check Engine warning lamp .......... .267
Display message ............................ 243
ECO start/stop function ................ 151
Engine number ............................... 365
Irregular running ............................ 154
Jump-starting ................................. 319
Starting (important safety notes) ... 149
Starting problems .......................... 154
Starting the engine with the
SmartKey ....................................... 149
Starting with the Start/Stop but-
ton ................................................. 150
Switching off .................................. 170
Tow-starting (vehicle) ..................... 325
Engine electronics
Problem (malfunction) ................... 154
Engine jump starting
see Jump starting (engine)
Engine oil
Adding ........................................... 298
Additives ........................................ 369
Checking the oil level ..................... 297
Checking the oil level using the
dipstick .......................................... 298
Display message ............................ 245
Filling ca
pacity ............................... 368
Notes about oil grades ................... 368
Notes on oil level/consumption .... 297
Temperature (on-board computer,
Mercedes-AMG vehicles) ............... 223
Viscosity ........................................ 369
Index9
XInsert the SmartKey into the ignition lock.
or
XTo deactivate the alarm with KEYLESS-
GO: press the Start/Stop button in the igni-
tion lock. The SmartKey must be in the
vehicle.
or
XLock or unlock the vehicle using KEYLESS-
GO. The SmartKey must be outside the
vehicle.
If you unlock the vehicle using the mechanical
key, the fuel filler flap will not be unlocked
automatically.
XTo unlock the fuel filler flap: insert the
SmartKey into the ignition lock.
Removing the mechanical key
XPush release catch :in the direction of
the arrow and at the same time remove
mechanical key ;from the SmartKey.
For further information about:
Runlocking the driver's door (Ypage 85)
Runlocking the trunk (Ypage 87)
Rlocking the vehicle (Ypage 85)
Inserting the mechanical key
XPush mechanical key ;completely into
the SmartKey until it engages and release
catch :is back in its basic position.
SmartKey battery
Important safety notes
GWARNING
Batteries contain toxic and corrosive substan- ces. If batteries are swallowed, it can result in
severe health problems. There is a risk of fatalinjury.
Keep batteries out of the reach of children. If
a battery is swallowed, seek medical attention immediately.
The SmartKey batteries contain perchlorate
material, which may require special handling
and regard for the environment. National
guidelines must be observed during disposal.
In California, see www.dtsc.ca.gov/
HazardousWaste/Perchlorate/
index.cfm.
Mercedes-Benz recommends that you have
the battery replaced at a qualified specialist
workshop.
Checking the battery
XPress the &or% button.
The battery is working properly if battery
check lamp :lights up briefly.
The battery is discharged if battery check
lamp :does not light up briefly.
XChange the battery (Ypage 80).
SmartKey79
Opening and closing
Z
